#include <cstdlib>
#include <cmath>
#include "TFile.h"
#include "TTree.h"
#include "TChain.h"
#include "TROOT.h"
#include "TCutG.h"
#include "TNtuple.h"
#include "TF1.h"
#include "TF2.h"
#include <string>
#include <TCut.h>
#include <TCanvas.h>
#include <TStyle.h>
#include "TPad.h" 
#include <TH1.h>
#include <TH2.h>
#include "TLinearFitter.h"
#include "TF1.h"
#include "TRandom.h"
#include <stdio.h>
using namespace std;

void support()
{

///////////////////////////////////////////////////////////////////
    ///////////	open all files & cuts	///////////////////////////
    ///////////////////////////////////////////////////////////////////

    gStyle->SetPalette(1);
    gStyle->SetOptStat("e");
    gStyle->SetCanvasColor(0);
    gStyle->SetPadColor(0);
    gStyle->SetFrameBorderMode(0);
    gStyle->SetPalette(1);
    gStyle->SetFillColor(0);

    TCanvas *c2 = new TCanvas("c2","c2",10,10,900,600);
    
    c2->SetLeftMargin(0.25);
    c2->SetRightMargin(0.25);
    c2->SetTopMargin(0.25);
    c2->SetBottomMargin(0.25);
    c2->SetFrameFillColor(0);

    gStyle->SetPalette(1);
    gStyle->SetOptStat(11);
  
  
    TFile f("b001.root");
    TH1F *h1=new TH1F("h1","",400,0,4096);
	//run->Draw("p[0][0]");
	run->Draw("p[0][0]>>h1");
	h1->Draw("p");
	
     c2->SaveAs("prova.gif");
 
    
}